TreeSize

TreeSize is a tool designed for analyzing disk space usage. It identifies the folders and files that take up the most space, making storage management easier. Compatible with Windows, it offers clear visualizations and advanced filtering options.

★★★★★

5.0(1 ratings)

• Fast scanning. TreeSize performs in-depth scans of drives, partitions, or specific directories. It processes complex folder structures quickly, showing results sorted by size.
• Graphical visualization. Displays data using bar charts and pie charts. The visual representation helps you quickly spot the items that consume the most space.
• Integrated search. Lets you locate files by name, extension, or date. Customizable filters speed up the detection of outdated content.
• Detailed reports. Generates documents with precise metrics. Reports include size, percentage of use, and number of items per directory, and can be exported in formats such as CSV, XML, or HTML (depending on the edition).
• Network support. Scans shared drives and remote servers. Works with network shares (SMB) and NAS devices to evaluate network storage.
• Data comparison. Evaluates differences between scans made on different dates. Identifies folder growth or changes in space usage. Available in the professional editions.
• Explorer integration. Adds context menu options in Windows Explorer. Lets you start an analysis directly by right-clicking a folder.
• Portable mode. An executable version that needs no installation, for use on external devices. Runs from USB drives without leaving traces on the host computer.
• Advanced customization. Configure colors, fonts, and display layouts. Adapts the interface to individual working preferences.

TreeSize was developed by JAM Software, a German company specializing in utilities for Windows. The project has evolved over the years with additions such as multithreaded analysis and support for cloud storage. The free edition (TreeSize Free) offers basic features, while the professional versions include advanced tools for system administrators.

Alternatives to TreeSize:

For TreeSize there are 8 alternative programs. Free: 6, paid: 2.

YuDisk

YuDisk is a disk usage viewer for Windows that helps inspect how local drive space is being used.

Price: Free   Size: 1.65 MB   Version: 1.00   OS: Windows

Space Investigator

Space Investigator is a free derivative of WinDirStat, redesigned to integrate with AB Commander.

Price: Free   Size: 4.5 MB   Version: 22.4   OS: Windows

WinCleanCat

WinCleanCat is a free and open-source utility designed to free up disk space on Windows 10 and 11.

Price: Free   Size: 66.1 MB   Version: 1.0.0   OS: Windows

DaisyDisk

This software examines system storage and graphically represents space usage.

Price: Free   Size: 8.2 MB   Version: 4.32   OS: MacOS

DuoBolt

DuoBolt is a high-performance desktop application for identifying and removing duplicate files with absolute precision and consistency.

Price: $29.99   Size: 95.8 MB   Version: 1.3.6   OS: Windows, Linux, MacOS

FileFusion

FileFusion is a utility for Windows systems that locates and merges duplicate files on NTFS drives.

Price: $29.95   Size: 31.3 MB   Version: 2026.8   OS: Windows

TreeMap

TreeMap is a disk space analysis application that displays storage usage on local drives, networks, and removable devices through visual representation and detailed file listing.

Price: Free   Size: 136.7 MB   Version: 1.0   OS: Windows

SSD Booster.NET

SSD Booster NET is a portable utility developed to improve the performance and maintain the efficiency of solid-state drives.

Price: Free   Size: 2 MB   Version: 1.0   OS: Windows